Optically pumped nanolaser based on two magnetic plasmon resonance modes

Abstract

We propose and analyze theoretically a double magnetic plasmon resonance nanolaser, in which Ytterbium-erbium co-doped material is used as the gain medium. Through design of the double magnetic resonance modes, pumping light (980nm) can be resonantly absorbed and laser light (1550nm) can be resonantly generated simultaneously. We introduce a set of rate equations combined to describe the operation of the laser and predict the lasing condition. According to our calculations, the disadvantage that pumping light is difficult to be absorbed by a thin slab of gain materials can be overcome.

13pages, 4 figures

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• Double Resonance Nanolaser based on Coupled Slit-hole Resonator Structures
• Hysteresis assisted narrowband resonances in a chain of nonlinear plasmonic arrays